Pillbox east of Knoll House Hotel is a Grade II listed building in the Dorset local planning authority area, England. First listed on 30 November 2012. Military structure.

Pillbox east of Knoll House Hotel

WRENN ID
far-trefoil-meadow
Grade
II
Local Planning Authority
Dorset
Constituency
South Dorset MP: Lloyd Hatton (Lab)
Country
England
Date first listed
30 November 2012
Type
Military structure
OS grid reference
SZ 033 833
Coordinates
50.64964, -1.95375
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The pillbox located east of Knoll House Hotel is a Grade II listed structure made of reinforced concrete and concrete blocks. It is built into the east-facing slope that rises from the beach. The walls and flat roof consist of reinforced concrete blocks, with a solid concrete roof, while the interior is lined with breeze blocks. The pillbox has a basic square shape, featuring a three-sided front face that includes a large east-facing embrasure designed for a medium machine gun. Additional embrasures are present on the adjacent sides, and the rear wall has a central doorway.

Local climate

Pillbox east of Knoll House Hotel receives an average of 820 mm of rain a year. This makes it wetter than 51% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.

It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% of listed buildings. Of these, 3 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Detailed attributes — period, style, materials, features
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  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Nearby listed buildings

  1. Pillbox, north-east of Knoll House Hotel Grade II 217 m
  2. Pillbox and anti-tank pimple to west of Knoll Beach car park Grade II 249 m
  3. Anti-tank pimples Grade II 365 m
  4. Beach Cottage Grade II 574 m
  5. Gun Emplacement and Fort Henry Grade II 639 m
  6. Vine Cottages Grade II 645 m
  7. Pillbox below Redend Point Grade II 695 m
  8. The Manor House Grade II 706 m
  9. The Green Grade II 839 m
  10. Francis Thornton Monument, in the Churchyard C20m North-West of the West Wall of the Church of Saint Nicholas Grade II 839 m